1244110081 has 4 divisors (see below), whose sum is σ = 1246320432. Its totient is φ = 1241899732.

The previous prime is 1244110033. The next prime is 1244110093. The reversal of 1244110081 is 1800114421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1244110081 - 2¹⁹ = 1243585793 is a prime.

It is a super-2 number, since 2×1244110081² = 3095619787291653122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244110781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104331 + ... + 1105456.

It is an arithmetic number, because the mean of its divisors is an integer number (311580108).

Almost surely, 2^1244110081 is an apocalyptic number.

It is an amenable number.

1244110081 is a deficient number, since it is larger than the sum of its proper divisors (2210351).

1244110081 is an equidigital number, since it uses as much as digits as its factorization.

1244110081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210350.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1244110081 is about 35271.9446727849. The cubic root of 1244110081 is about 1075.5227545135.

It can be divided in two parts, 12441 and 10081, that added together give a palindrome (22522).

The spelling of 1244110081 in words is "one billion, two hundred forty-four million, one hundred ten thousand, eighty-one".